Front grille for an automobile



FIG. 1 is a front perspective view of a front grille for an automobile showing my new design;

FIG. 2 is a front view thereof;

FIG. 3 is a top view; and,

FIG. 4 is a left-side view thereof, with the right-side view being a mirror image. 

The ornamental design for a front grille for an automobile, as shown and described. 